Surround format channel distribution

Surround format channel distribution

The following table provides details on the channels used by each of the supported surround formats.

Surround format

Channels used

Quadraphonic

L - R - Ls - Rs

LCRS (Pro Logic)

L - C - R - S

5.1 (ITU 775)

L - C - R - Ls - Rs - LFE

6.1 (ES/EX)

L - C - R - Ls - S - Rs - LFE

7.1 (3/4.1)

L - C - R - Lm - Rm - Ls - Rs - LFE

7.1 (SDDS)

L - Lc - C - Rc - R - Ls - Rs - LFE

Table key

  • L = (Front) Left

  • Lc = Left Center

  • C = Center

  • Rc = Right Center

  • R = (Front) Right

  • Lm = Left Mid

  • Rm = Right Mid

  • Ls = Left Surround (Rear Left)

  • S = Surround (Rear Center)

  • Rs = Right Surround (Rear Right)

  • LFE = Low Frequency Effects